AR-15 Vertical Tactical Foregrip In Black 5" Length. This AR-15 Vertical Grip is Ergonomic With Pressure Switch housing pocket and battery storage compartment Ambidextrous. Foregrip pressure switch housing inert slot is removable. Tactical vertical grip has tool less design mounts quickly to most Picatinny/Weaver style rails and quad rail using the bottom locking knob. Constructed of heavy duty polymer. One year warranty.